Pune / New Delhi, Sep 17 (ANI): A surprise surge in food prices drove India's inflation to a six-month high, making basic commodities a luxury for several middle class households. According to the latest government data, food inflation accelerated to a three-year high of 18.18 percent in August, driving overall inflation to a higher-than-expected 6.1 percent. Recent hikes in fuel prices also spurred the jump in the Wholesale Price Index.